CN109939514B

CN109939514B - Dust removal exhaust treatment device

Info

Publication number: CN109939514B
Application number: CN201910356947.9A
Authority: CN
Inventors: 谭美妹; 香志光
Original assignee: Jiangxi South Central Environmental Protection Equipment Co ltd
Current assignee: JIANGXI SOUTH CENTRAL ENVIRONMENTAL PROTECTION EQUIPMENT Co.,Ltd.
Priority date: 2019-04-29
Filing date: 2019-04-29
Publication date: 2021-06-08
Anticipated expiration: 2039-04-29
Also published as: CN109939514A

Abstract

The invention discloses a dust removal waste gas treatment device, which comprises a tank body and an atomizing spray head; a sedimentation cavity is arranged at the lower part of the tank body, and an air outlet head is arranged in the sedimentation cavity; the sedimentation chamber top is equipped with first baffle, and the nested draft tube that is the circumference and distributes that has on the first baffle, and the draft tube top is equipped with atomizer. According to the invention, the rotary stirring rod is arranged in the precipitation cavity, so that the absorption liquid forms a rotational flow, the precipitation of suspended matters is accelerated, and the precipitation is prevented from being raised by the rotational flow through the shielding disc; through being equipped with the chimney that sets up with atomizer is relative for absorption liquid and waste gas frontal collision improve the adsorption efficiency of atomized liquid.

Description

Dust removal exhaust treatment device

Technical Field

The invention relates to the field of waste gas treatment, in particular to a dedusting waste gas treatment device.

Background

The waste gas purification mainly refers to the treatment of industrial waste gas generated in industrial places, such as dust particles, smoke and dust, peculiar smell gas and toxic and harmful gas. Common waste gas purification includes factory smoke waste gas purification, workshop dust waste gas purification, organic waste gas purification, waste gas peculiar smell purification, acid-base waste gas purification, chemical waste gas purification and the like. The waste gas discharged from industrial production often has harmful influence on environment and human health, and before being discharged into the atmosphere, the waste gas is treated by adopting a purification measure so as to meet the requirements of the waste gas discharge standard, and the process is called waste gas purification. Common methods for exhaust gas purification are: absorption method, adsorption method, condensation method and combustion method.

The adsorption tower is a waste gas treatment equipment commonly used, and traditional adsorption tower is only at the simple atomizer that sets up of jar internal, and absorption liquid and waste gas absorption are not abundant, and adsorption efficiency remains to be improved.

Disclosure of Invention

The invention aims to provide a dedusting exhaust gas treatment device to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a dust removal waste gas treatment device comprises a tank body and an atomizing spray head; a sedimentation cavity is arranged at the lower part of the tank body, and an air outlet head is arranged in the sedimentation cavity; the sedimentation chamber top is equipped with first baffle, and the nested draft tube that is the circumference and distributes that has on the first baffle, and the draft tube top is equipped with atomizer.

As a further scheme of the invention: the upper end of the gas outlet head is communicated with a central pipe, and the central pipe extends to the upper part of the tank body and is communicated with a gas inlet pipe through a rotary joint; a stirring rod is arranged in the sedimentation cavity and fixedly connected with the central tube; the central tube is connected with an output shaft of a driving motor through a transmission belt; the lower end of the tank body is provided with a blow-off pipe which is provided with a valve.

As a further scheme of the invention: and a shielding disc is arranged below the stirring rod and is an inwards-concave disc.

As a further scheme of the invention: the sedimentation cavity is a conical cavity.

As a further scheme of the invention: the air outlet head is provided with air outlet branch pipes which are distributed in a circumferential manner.

As a further scheme of the invention: the breather cylinder is a conical cylinder, the diameter of an opening at the upper end of the breather cylinder is larger than that of an opening at the lower end of the breather cylinder, and the breather cylinder penetrates through the first partition plate and is communicated with the sedimentation cavity.

As a further scheme of the invention: the atomization nozzle is fixedly connected with a second partition plate, and the second partition plate is fixedly connected with the inner wall of the tank body; the second partition plate is provided with vent holes which are distributed circumferentially; an air outlet pipe is arranged at the upper part of the tank body.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, the rotary stirring rod is arranged in the precipitation cavity, so that the absorption liquid forms a rotational flow, the precipitation of suspended matters is accelerated, and the precipitation is prevented from being raised by the rotational flow through the shielding disc; through being equipped with the chimney that sets up with atomizer is relative for absorption liquid and waste gas frontal collision improve the adsorption efficiency of atomized liquid.

Drawings

FIG. 1 is a schematic view of the internal structure of a dust-removing exhaust gas treatment apparatus;

FIG. 2 is a perspective view of an air outlet head of the dust-removing waste gas treatment device

FIG. 3 is a perspective view of a breather tube in the dedusting exhaust gas treatment device;

fig. 4 is a bottom view of the second partition plate in the dust-removal exhaust gas treatment device.

In the figure: 1-tank body; 2-a sedimentation chamber; 3-gas outlet head; 4-a central tube; 5-a rotary joint; 6, an air inlet pipe; 7-a stirring rod; 8-shielding disc; 9-a sewage draining pipe; 10-a first separator; 11-a breather tube; 12-an atomizer; 13-a liquid inlet pipe; 14-a lift pump; 15-liquid extracting tube; 16-a drive belt; 17-a drive motor; 18-an air outlet pipe; 19-a second separator; 20-air vent.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1 to 4, in an embodiment of the present invention, a dust removal exhaust gas treatment device includes a tank 1, an atomizing nozzle 12, and a lift pump 14; a sedimentation cavity 2 is arranged at the lower part of the tank body 1, the sedimentation cavity 2 is a conical cavity, and absorption liquid is filled in the sedimentation cavity 2; an air outlet head 3 is arranged in the sedimentation cavity 2, and the air outlet head 3 is provided with air outlet branch pipes which are distributed in the circumferential direction, so that the waste gas is uniformly dispersed in the absorption liquid, and the absorption efficiency of harmful substances is improved; go out the intercommunication of gas head 3 upper end and have center tube 4, center tube 4 extends to jar body 1 top and has intake pipe 6 through rotary joint 5 intercommunication, and waste gas enters into in the center tube 4 from intake pipe 6.

A stirring rod 7 is arranged in the sedimentation cavity 2, and the stirring rod 7 is fixedly connected with the central tube 4; the center tube 4 is connected with driving motor 17's output shaft through driving belt 16, and driving motor 17 drives center tube 4 and rotates, and center tube 4 drives puddler 7 and rotates, is formed with the suspended solid behind the dust in the waste gas and the absorption liquid contact, and puddler 7 drives the absorption liquid formation whirl in the sedimentation chamber 2, and the suspended solid is with deposit 2 inner walls strong friction and collision, and the gathering of suspended solid improves the settlement efficiency of suspended solid, guarantees the adsorption effect of the absorption liquid of the department of giving vent to anger of gas head 3.

A shielding disc 8 is arranged below the stirring rod 7, the shielding disc 8 is an inward-concave disc, so that the precipitated precipitate is prevented from being raised by absorption liquid forming rotational flow, and the precipitation effect is improved; the lower extreme of jar body 1 is equipped with blow off pipe 9, and blow off pipe 9 is equipped with the valve, conveniently discharges the sediment mud.

Example 2

This example differs from example 1 in that: a first partition plate 10 is arranged above the sedimentation cavity 2, the first partition plate 10 is nested with a ventilation cylinder 11 which is circumferentially distributed, the ventilation cylinder 11 is a conical cylinder, and the diameter of an opening at the upper end of the ventilation cylinder 11 is larger than that of an opening at the lower end of the ventilation cylinder 11; the aeration cylinder 11 penetrates through the first partition plate 10 and is communicated with the sedimentation cavity 2; the exhaust gas is purified by the absorption liquid and then flows upwards from the breather pipe 11; an atomizing nozzle 12 is arranged above the ventilating cylinder 11, and absorption liquid sprayed by the atomizing nozzle 12 meets waste gas rising in the ventilating cylinder 11, so that the waste gas is fully contacted with the atomizing liquid, and the absorption effect of harmful substances in the waste gas is further improved; the atomizing nozzle 12 is fixedly connected with a second partition plate 19, and the second partition plate 19 is fixedly connected with the inner wall of the tank body 1; the second partition plate 19 is provided with vent holes 20 distributed circumferentially, and the sprayed and absorbed gas flows to the cavity above the second partition plate 19 through the vent holes 20; an air outlet pipe 18 is arranged at the upper part of the tank body 1, and the purified gas is discharged from the air outlet pipe 18.

The atomizing spray head 12 is communicated with a lifting pump 14 through a liquid inlet pipe 13, the lifting pump 14 is communicated with a liquid pumping pipe 15, the liquid pumping pipe 15 is communicated with the precipitation cavity 2, and the absorption liquid is pumped to the atomizing spray head 12 through the lifting pump 14 to be sprayed out.

The following are specifically mentioned: in the application, the tank body, the atomizing spray head and the gas outlet head are in the prior art; the stirring rod and the shielding plate which are arranged in the sedimentation cavity, and the ventilation cylinder which is arranged opposite to the atomizing nozzle are innovation points of the application; the absorption liquid forms rotational flow by arranging the rotating stirring rod in the sedimentation cavity, the sedimentation of suspended matters is accelerated, and the sedimentation is prevented from being raised by the rotational flow by the shielding disc; through being equipped with the chimney that sets up with atomizer is relative for absorption liquid and waste gas frontal collision improve the adsorption efficiency of atomized liquid.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A dust removal waste gas treatment device comprises a tank body (1) and an atomizing spray head (12); it is characterized in that; a sedimentation cavity (2) is arranged at the lower part of the tank body (1), and an air outlet head (3) is arranged in the sedimentation cavity (2); a first partition plate (10) is arranged above the sedimentation cavity (2), air cylinders (11) which are distributed in a circumferential manner are nested on the first partition plate (10), and atomizing nozzles (12) are arranged above the air cylinders (11); the upper end of the gas outlet head (3) is communicated with a central pipe (4), the central pipe (4) extends to the upper part of the tank body (1) and is communicated with a gas inlet pipe (6) through a rotary joint (5); a stirring rod (7) is arranged in the sedimentation cavity (2), and the stirring rod (7) is fixedly connected with the central pipe (4); the central tube (4) is connected with an output shaft of a driving motor (17) through a transmission belt (16); a drain pipe (9) is arranged at the lower end of the tank body (1), and a valve is arranged on the drain pipe (9); a shielding disc (8) is arranged below the stirring rod (7), and the shielding disc (8) is an inwards-concave disc; the sedimentation cavity (2) is a conical cavity; the gas outlet head (3) is provided with gas outlet branch pipes which are distributed in a circumferential manner; the aeration cylinder (11) is a conical cylinder, the opening diameter of the upper end of the aeration cylinder (11) is larger than that of the lower end of the aeration cylinder (11), and the aeration cylinder (11) penetrates through the first partition plate (10) and is communicated with the sedimentation cavity (2); the atomizing nozzle (12) is fixedly connected with a second partition plate (19), and the second partition plate (19) is fixedly connected with the inner wall of the tank body (1); the second partition plate (19) is provided with vent holes (20) which are distributed circumferentially; an air outlet pipe (18) is arranged at the upper part of the tank body (1).